Github user pwoody commented on a diff in the pull request:
https://github.com/apache/spark/pull/14733#discussion_r77308047
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/columnar/InMemoryTableScanExec.scala
---
@@ -142,13 +171,16 @@ case class InMemoryTableScanExec(
val cachedBatchesToScan =
if (inMemoryPartitionPruningEnabled) {
cachedBatchIterator.filter { cachedBatch =>
+ val partitionFilter = newPredicate(
--- End diff --
It was to avoid the call if inMemoryPartitionPruning wasn't enabled. This
reasoning is kind of dumb though given that it is the default and if disabled
you will pay extra cost elsewhere. I'll move it back.
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